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Under $20 Vehicle Performance Additives

Shop the best prices on 1,097 great value under $20 vehicle performance additives. Shopping for vehicle performance additives is easy with Fruugo, with SALE discounts, offers and savings on Rayhong, Homonth, OCC Motorsport and more. Buy vehicle performance additives online safely with Fruugo, with secure payment and fast shipping to Australia.

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1 - 32 of 1,097
Fuel Saver Magnetic Efficiency Booster for Cars and Trucks Gasoline and Diesel Easy Install
$9.95 Save $28.00 RRP: $37.95
Fuelsync Gas Saver Easy Plug & Play Car Fuel Saver for Trucks & Cars, Increases Mileage, Lowers Emissions, Ideal Car Accessory
$0.95
​​Fuelsync Gas Saver Portable Car Fuel Saver, Plug & Play Gas Economizer with 20% Gas Savings​​
$0.95
Fuelsync Gas Saver Increases Fuel Mileage Lowers Emissions Automobile Replacement Parts
$0.95
Gas Saver, Fuelsync - Drive Farther, Save More Fuel Instantly, 2025 New Fuelsync Pro Module Tool Fuel Saving Device for Filling Gasoline Lubricants Wa
$4.95 Save $46.00 RRP: $50.95
2X Car Fuel Saver Save on Gas Save Gas Features Fuel 12V Vehicle-Mounted Fuel-Saving Treasure Green
$11.95 Save $8.00 RRP: $19.95
Gas Saver, Fuelsync - Drive Farther, Save More Fuel Instantly, 2025 New Fuelsync Pro Module Tool Fuel Saving Device for Filling Gasoline Lubricants Wa
$3.95 Save $26.00 RRP: $29.95
w ??Fuelsync Gas Saver Portable Car Fuel Saver, Plug & Play Gas Economizer with 20% Gas Savings??
$0.95
Fuel Saver Magnetic Efficiency Booster for Cars and Trucks Gasoline and Diesel Easy Install Hwy
$16.95
Fuel Saver Magnetic Efficiency Booster for Cars and Trucks Gasoline and Diesel Easy Install
$13.95 Save $14.00 RRP: $27.95
Car Fuel Saver,Car Fuel Saver Portable Fuel Economy Energy Saver Portable Car Fuel Saver Smart Functionality
$14.95 Save $44.05 RRP: $59.00
Fuel Saver Magnetic Efficiency Booster for Cars and Trucks Gasoline and Diesel Easy Install 2025
$13.95 Save $14.00 RRP: $27.95
Car Fuel Saver,Car Fuel Saver Portable Fuel Economy Energy Saver Portable Car Fuel Saver Smart Functionality
$20.95 Save $13.00 RRP: $33.95
2025 Fuelsync Gas Saver Easy Plug & Play Car Fuel Saver for Trucks & Cars, Increases Mileage, Lowers Emissions, Ideal Car Accessory
$6.95 Save $7.00 RRP: $13.95
Gas Saver Drive Farther, Save More Fuel Instantly, 2025 New Fuel Saving Device for Filling Gasoline Lubricants Water Diesel, Save 10-30% unbrand
$16.95 Save $33.00 RRP: $49.95
Portable Car Fuel Saver Economizer Just Plug Save Automobile Replacement Parts
$16.95 Save $20.00 RRP: $36.95
Fuelsync Gas Saver Increases Fuel Mileage Lowers Emissions Automobile Replacement Parts
$12.95 Save $38.00 RRP: $50.95
Gas Saver Drive Farther, Save More Fuel Instantly, 2025 New Fuel Saving Device for Filling Gasoline Lubricants Water Diesel, Save 10-30%
$12.95 Save $36.00 RRP: $48.95
Fuelsync Gas Saver Easy Plug & Play Car Fuel Saver for Trucks & Cars, Increases Mileage, Lowers Emissions, Ideal Car Accessory
$18.95 Save $9.00 RRP: $27.95
​​Fuelsync Gas Saver Portable Car Fuel Saver, Plug & Play Gas Economizer with 20% Gas Savings​​
$18.95 Save $18.00 RRP: $36.95
Multi-Function Fuel System Cleaner 120ML - Carbon Deposit Remover with Polyetheramine & Ferrocene, Improves Emissions & Engine Performance for Gasolin
$11.95 Save $23.00 RRP: $34.95
Portable Car Fuel Saver With Smart Energy Efficiency Function unbrand
$20.95 Save $12.00 RRP: $32.95
Car Fuel Saver,Car Fuel Saver Portable Fuel Economy Energy Saver Portable Car Fuel Saver Smart Functionality
$12.95 Save $12.00 RRP: $24.95
2025 Fuel Economy Device Energy Enhancer Suitable For Cars Prevents Leakage Saves 15 to 30% Gas Universal Vehicle Application Multicolor
$9.95 Save $10.00 RRP: $19.95
500ml Battery Repair Fluid Vehicle Battery Renewal Solution Restore Liquid For Car Truck Motorcycle
$0.95
Rayhong Engine Protectant, Car Protectant Noise Reduction Anti-Shake Anti-Rust Car Cleaning And Maintenance Agent
$12.95 Save $66.05 RRP: $79.00
Rayhong Engine Protectant, Anti-Wear Protectant, Anti-Noise, Anti-Shake, Anti-Rust Car Cleaning And Maintenance Agent
$12.95 Save $66.05 RRP: $79.00
Fuelsync Gas Saver Easy Plug & Play Car Fuel Saver for Trucks & Cars, Increases Mileage, Lowers Emissions, Ideal Car Accessory
$16.95 Save $11.00 RRP: $27.95
Rayhong Engine Protectant, Anti-Wear Protectant, Anti-Noise, Anti-Shake, Anti-Rust Car Cleaning And Maintenance Agent
$12.95 Save $66.05 RRP: $79.00
3pcs Air Filter Adapter Rings Car Air Filter Core Replacement Rings Air Filter Rubber Rings
$20.95 Save $48.05 RRP: $69.00
Oil Additive Motorcycle Agricultural Machinery Funnel Yellow
$10.95
Oil Additive Motorcycle Agricultural Machinery Funnel Yellow
$11.95 Save $1.00 RRP: $12.95